Brazil's doubles team of Marcelo Melo and Bruno Soares upset top-ranked Mike and Bob Bryan 7-6 (6), 6-7 (7), 6-4, 3-6, 6-3 on Saturday and kept the United States from clinching its first-round Davis Cup match in Jacksonville, Fla.
"(The Brazilian team) came out with something to prove," U.S. team captain Jim Courier said, "and played an extremely high level of doubles and made some great gets,"
It was only the third time that the twin brothers had dropped a Davis Cup match (20-3 record).
"Hats off to the Brazilians," Bob Bryan said. "They served well pretty much of the four hours. We're disappointed. I feel we're capable of playing at a higher level."
The U.S. has a 2-1 lead heading into Sunday's reverse singles. John Isner faces Brazil's Thomaz Bellucci in the opening match. If Bellucci wins, Sam Querrey and Brazil's Thiago Alves will meet in the deciding match.
In the longest match in Davis Cup history, the Czech Republic beat host Switzerland in a doubles epic lasting seven hours. Tomas Berdych and Lukas Rosol clinched on their 13th match point, edging Stanislas Wawrinka and Marco Chiudinelli 6-4, 5-7, 6-4, 6-7 (3), 24-22 in Geneva.
The defending champion Czechs took a 2-1 lead on Chiudinelli's double-fault.
The previous record was 6 hours, 22 minutes for American John McEnroe's win against Sweden's Mats Wilander in 1982.
Other nations with 2-1 leads were Canada (over Spain), Italy (over Croatia) and Kazakhstan (over Austria). Reaching the quarterfinals with insurmountable 3-0 leads were France (over Israel), Serbia (over Belgium) and Argentina (over Germany).
New York Yankees pitcher CC Sabathia of Vallejo will be among the honorees at the 33rd Thurman Munson awards dinner Feb. 5 in New York for his athletic success and philanthropic work.